488210  Support Activities for Rail Transportation 

This U.S. industry comprises establishments primarily engaged in 
providing specialized services for railroad transportation including 
servicing, routine repairing (except factory conversion, overhaul or 
rebuilding of rolling stock), and maintaining rail cars; loading and 
unloading rail cars; and operating independent terminals. 

NAICS code 488210 are comprised of these parts of the following SIC 
industries:

    4013 (pt)  Railroad switching and terminal establishments
    4789 (pt)  Support activities incidental to rail transportation